﻿/**
* hoverIntent r5 // 2007.03.27 // jQuery 1.1.2+
* <http://cherne.net/brian/resources/jquery.hoverIntent.html>
*
* @param  f  onMouseOver function || An object with configuration options
* @param  g  onMouseOut function  || Nothing (use configuration options object)
* @author    Brian Cherne <brian@cherne.net>
*/
(function ($) {
    $.fn.hoverIntent = function (f, g) {
        var cfg = { sensitivity: 7, interval: 100, timeout: 0 };
        cfg = $.extend(cfg, g ? { over: f, out: g} : f);
        var cX, cY, pX, pY;
        var track = function (ev) { cX = ev.pageX; cY = ev.pageY; };
        var compare = function (ev, ob) {
            ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
            if ((Math.abs(pX - cX) + Math.abs(pY - cY)) < cfg.sensitivity) {
                $(ob).unbind("mousemove", track);
                ob.hoverIntent_s = 1;
                return cfg.over.apply(ob, [ev]);
            }
            else {
                pX = cX; pY = cY;
                ob.hoverIntent_t = setTimeout(function () {
                    compare(ev, ob);
                }, cfg.interval);
            }
        };
        var delay = function (ev, ob) {
            ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
            ob.hoverIntent_s = 0;
            return cfg.out.apply(ob, [ev]);
        };
        var handleHover = function (e) {
            var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;
            while (p && p != this) {
                try { p = p.parentNode; }
                catch (e) { p = this; }
            }
            if (p == this) {
                return false;
            }
            var ev = jQuery.extend({}, e);
            var ob = this;
            if (ob.hoverIntent_t) {
                ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
            }
            if (e.type == "mouseover") {
                pX = ev.pageX; pY = ev.pageY; $(ob).bind("mousemove", track);
                if (ob.hoverIntent_s != 1) {
                    ob.hoverIntent_t = setTimeout(function () {
                        compare(ev, ob);
                    }, cfg.interval);
                }
            }
            else {
                $(ob).unbind("mousemove", track);
                if (ob.hoverIntent_s == 1) {
                    ob.hoverIntent_t = setTimeout(function () {
                        delay(ev, ob);
                    }, cfg.timeout);
                }
            }
        };
        return this.mouseover(handleHover).mouseout(handleHover);
    };
})
(jQuery);